Last month we got word of the first two smartphones announced for the upcoming Firefox OS, a pair of low-end models from GeeksPhone. Today at the MWC, a new Firefox phone has been revealed, and this time from a bit more well-known of a manufacturer. The ZTE Open will be the company’s first Firefox OS model, but like those GeeksPhone handsets, it’s definitely on the lower end of the spectrum. While it can be difficult to get excited about models like this, ...